| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not sure if [pers pn] [vb mod] [vb infin] | 23 |
|
| 2 | not sure if [pers pn] [vb mod] [vb infin] | 23 |
|
| 3 | not sure if [pers pn] [vb mod] [vb infin] | 15 |
|
| 4 | not sure if i [vb mod] [vb infin] | 9 |
|
| 5 | n't sure if [pers pn] [vb mod] [vb infin] | 8 |
|
| 6 | not sure if she [vb mod] [vb infin] | 6 |
|
| 7 | not sure if [pers pn] could [vb infin] | 6 |
|
